From 595266e4a861fc32e9cc913660f14ec57ba6565e Mon Sep 17 00:00:00 2001
From: Treehugger Robot <treehugger-gerrit@google.com>
Date: Tue, 24 Mar 2020 15:23:51 +0000
Subject: [PATCH] Add a log message if enabling Ethernet tethering if it is
 already enabled.

Test: builds
Bug: 150644681
Change-Id: I68123e6dd04ccae5da2ecd7526c11d9f835d1d57
Merged-In: I68123e6dd04ccae5da2ecd7526c11d9f835d1d57
(cherry picked from commit e6b8ded8121c137a7e434e1c2a9e04cc144f2f28)
---
 .../com/android/server/connectivity/tethering/Tethering.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Tethering/src/com/android/server/connectivity/tethering/Tethering.java b/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
index 77ff61791c..3624dc7087 100644
--- a/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
+++ b/Tethering/src/com/android/server/connectivity/tethering/Tethering.java
@@ -637,7 +637,10 @@ public class Tethering {
                 Context.ETHERNET_SERVICE);
         synchronized (mPublicSync) {
             if (enable) {
-                if (mEthernetCallback != null) return TETHER_ERROR_NO_ERROR;
+                if (mEthernetCallback != null) {
+                    Log.d(TAG, "Ethernet tethering already started");
+                    return TETHER_ERROR_NO_ERROR;
+                }
 
                 mEthernetCallback = new EthernetCallback();
                 mEthernetIfaceRequest = em.requestTetheredInterface(mExecutor, mEthernetCallback);